package com.study.command;

/**
 * @Author tanglingyu
 * @Date: 2021/05/24/ 14:02
 * @Description 接收者
 */
public class LightReceiver {

  public void on() {
    System.out.println("电灯打开了...");
  }

  public void off() {
    System.out.println("电灯关闭了...");
  }

}
